Tennessee Code Title 12. Public Property, Printing and Contracts § 12-3-311

All noncompetitive purchases and contracts entered into by the department of transportation for nonconstruction and nonengineering projects or services with a term of more than one (1) year or which are renewable by either party that would extend the contract beyond twelve (12) months and which have a cumulative value of not less than two hundred fifty thousand dollars ($250,000), including all possible renewals, shall be subject to the approval of the comptroller of the treasury. A list of all such purchases and contracts shall be filed with and subject to review by the fiscal review committee.